Equipment information:

Hickok Electrical Instrument Company 203PR Analog multimeter
Manufacturer:
Hickok Electrical Instrument Company
Model: 203PR
Date: 1947
Category: Measurement instruments
Group: Analog multimeter
Description: Volt Ohm Capacity Milliammeter
Information:
                                    The Hickok Electronic Volt-Ohm-Capacity-Mllliammeter,
Model 203PR, is a compact universal test Instrument
which may be used in making measurements in the study
of radio and electrical circuits. It is a versatile
Instrument as the measurement of wide ranges of d.c.
currents, a.c. and d.c. voltages, resistances, capacitances
and inductances may all be made by the one unit. Built
under Hickok high standards of workmanship, It is an
accurate and durable test Instrument.

These manuals are available for the above equipment:

Hickok Electrical Instrument Company -- 203PR -- Service Manual, cirquit diagram only
File name: Hickok-3864-Manual-Page-1-Picture
Manual Type: Service Manual, cirquit diagram only
Pages: 21
Size: 2.28 Mbytes (2389983 Bytes)
Language: english
Revision:
Manual-ID/Number:
Date: 24 November 1947
Quality: Scanned document, reading partly badly, partly not readable.
Upload date:
MD5: ab22272f0bce28dd36d981659ca17cdb
ed2kID: 5e8aff9bdf1cb122273cf484b6263125
Downloads: 190 since 07 January 2013
Information:
SECTION 1 - DESCRIPTION

1.1	Purpose	3

1.2	Description	3

a.	Physical	3

b.	Components	3

c.	Functional	3

d.	Electrical	3

SECTION 2 - THEORY

2.1	General	4

2.2	Bridge Circuit	4

2.3	A.C. Voltmeter	4

2.4	D.C. Voltmeter	4

2.5	Ohmmeter ...	5

2.6	Capacity and Inductance Measurements	5

a.	Capacity

b.	Inductance

SECTION 3 - OPERATION

3.1	General	5

3.2	A.C. Voltage Measurements	5

3.3	D.C. Voltage Measurements	6

3.4	Current Measurements	6

3.5	Resistance Measurements	6

3.6	Capacitance Measurements	6

3.7	Inductance Measurements	7

3.8	Decibel Measurements	7

SECTION 4 - APPLICATION

4.1	General	9

4.2	D.C. Voltmeter	9

a.	Input Impedance	9

b.	RF-IF Circuits	9

c.	Oscillation Check	9

d.	Discriminator Circuit Alignment	9

4.3	A.C. Voltmeter	9

4.4	Ohmmater	10

4.5	Capacity Measurements	10

SECTION 5 - MAINTENANCE

5.1	General	10

5.2	Vacuum Tubes	10

5.3	Dry Cells	10

5.4	Capacity and Resistance Measurements	10

SECTION 6 - PARTS LIST

Par La LI at for Model 203-S0Î3PR	15 & 16
Hickok-3864-Manual-Page-1-Picture
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